<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片   -->
    <el-card class="box-card">
      <div>
        <!-- 栅格布局 -->
        <!-- 搜索框 -->
        <el-row :gutter="20">
          <el-col :span="16">
            <div class="grid-content bg-purple">
              <el-input
                placeholder="请输入内容"
                class="input-with-select"
                v-model="queryInfo.query"
                clearable
                @clear="getGoodsList"
              >
                <el-button
                  slot="append"
                  icon="el-icon-search"
                  @click="getGoodsList"
                ></el-button>
              </el-input>
            </div>
          </el-col>
          <el-col :span="8">
            <div class="grid-content bg-purple">
              <el-button
                type="primary"
                @click="addGoods"
              >商品添加</el-button>
            </div>
          </el-col>
        </el-row>
        <!-- 商品数据 -->
        <el-table
          :data="goodsList"
          border
          style="width: 100%"
        >
          <el-table-column
            type="index"
            label="#"
          ></el-table-column>
          <el-table-column
            prop="goods_name"
            label="商品名称"
          >
          </el-table-column>
          <el-table-column
            prop="goods_price"
            label="商品价格"
            width="180"
          >
          </el-table-column>
          <el-table-column
            prop="goods_weight"
            label="商品重量"
            width="180"
          >
          </el-table-column>
          <el-table-column
            prop="add_time"
            label="创建时间"
            width="180"
          >
            <template v-slot:default="scope">
              {{scope.row.add_time | dateFormat}}
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            width="180"
          >
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.goods_id)"
              ></el-button>
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.goods_id)"
              ></el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      addDialogVisible: false,
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods',
        { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('请求数据出错')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      // console.log(this.goodsList)
    },
    // 监听 pagesize 改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 根据id删除数据
    async removeUserById (id) {
      const res1 = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // console.log(res)
      if (res1 !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除数据失败')
      }
      this.getGoodsList()
      return this.$message.success('删除数据成功')
    },
    // 修改商品参数
    showEditDialog (row) {

    },
    addGoods () {
      this.$router.push('/goods/add')
    }
  },
  created () {
    this.getGoodsList()
  }
}
</script>

<style lang="scss" scoped>
</style>
